Patents Assigned to Grunhaus, LLC
  • Golf club heads with inserts under compressive stress
    Publication number: 20060009306
    Abstract: The present invention provides golf club heads, such as putter heads, with inserts that are under compressive stress, as well as methods for making such golf club heads. In preferred embodiments, the inserts are composed of low density material, such as granite, in order to help maximize the moment of inertia (MOI) of the golf club head.
    Type: Application
    Filed: June 2, 2005
    Publication date: January 12, 2006
    Applicant: Grunhaus, LLC
    Inventors: Ryan Bauer, John Borowicz, Christopher Glaeser, Thomas Hayes, John Sidor